On Sat, Oct 10, 2015 at 03:24:37PM +0200, Phil Sutter wrote:
> The conditional at the start of the function evaluates true, since
> 'rt->rt6i_flags & RTF_PCPU' is non-zero.
Hi Phil, can you try the following patch and capture the dmesg output
to confirm the value of rt->rt6i_flags and the rt->dst.flags.
Thanks,
Martin
--- a/include/net/ip6_fib.h
+++ b/include/net/ip6_fib.h
@@ -167,8 +167,15 @@ static inline void rt6_update_expires(struct rt6_info
*rt0, int timeout)
static inline u32 rt6_get_cookie(const struct rt6_info *rt)
{
- if (rt->rt6i_flags & RTF_PCPU || unlikely(rt->dst.flags & DST_NOCACHE))
+ if (rt->rt6i_flags & RTF_PCPU || unlikely(rt->dst.flags & DST_NOCACHE))
{
rt = (struct rt6_info *)(rt->dst.from);
+ if (!rt)
+ pr_err("rt6i_dst:%pI6c/%d rt6i_gateway:%pI6c "
+ "rt6i_flags:%08X dst.flags:%08X\n",
+ &rt->rt6i_dst.addr, rt->rt6i_dst.plen,
+ &rt->rt6i_gateway, rt->rt6i_flags,
+ rt->dst.flags);
+ }
return rt->rt6i_node ? rt->rt6i_node->fn_sernum : 0;
}
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